iOS - webview加载含有中文的url显示空白

• 将文字部分进行转码

- (NSString *)URLEncodeString {
    NSCharacterSet *set = [NSCharacterSet URLQueryAllowedCharacterSet];
    NSString *encodedString = [self stringByAddingPercentEncodingWithAllowedCharacters:set];
    return encodedString;
}